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Everything posted by BeFuddledinMn

  1. I have a spare vintage Alnico round head k77 tweeter for sale. Excellent condition, works perfectly, DCR reading of 6.2ohms. $90 shipped in US, with PayPal payment. Thank you.
  2. I have an extra single Faital Pro HF104 tweeter compression driver - new, never used. 108db sensitivity, 80 watts, 8ohms. Neo magnet. Standard tweeter horn mounting. Bought for extensive component testing years ago, but this one got left out completely. $110 shipped in the US, payment through PayPal. Thank you.
  3. I have one pair of Faital Pro HF108 tweeter compression drivers. Never used, 8ohm, 109db sensitivity, 120 watts handling. Neo magnet. Mounting is standard and same as the lower HF line, B&C hf compression drivers, etc. These are a top of line, ultra sensitive, high power tweeter drivers that are usually matched with a very high end system on a number of available horns. Great for high end Klipschorn mods or use in professional custom builds with Klipsch professional series setups. I purchased these several years ago and used one in about 30 minutes worth of controlled tests, then put back in the original box. $235 shipped US for the pair with PayPal. Thank you.
  4. SOLD Pair of Eminence APT-200 Super Tweeters for sale . Virtually no use as new. One was used in testing for a couple of hours. These 8ohm tweeters have the large bi-radial lenses and deliver ~ 103db sensitivity with frequency range of 3500hz-20khz. Can be crossed as low as 3500hz. Many use these as set top tweeters on top of Klipschorns or LaScalas. These are pretty good sounding tweeters at any price and a real bargain in my opinion. $70 plus shipping for the pair via PayPal. SOLD Thanks!
  5. Looking to build a 60” version of Claude’s outstanding quarter pie (half a Klipsch MWM) and don’t see his thread here. Am I missing it? Does anyone have the plans for the 60” version? Thank you in advance.
  6. Langston - outstanding contribution to this forum! autoformers vs resistors - efficacy? Power loss, distortion, cost, etc. I did a fair amount of testing years ago on a number of things, but only one involving the question of resistors - and then a very simple test. I built two identical crossovers designed to deliver a 400hz midrange cross point - but gave one the swamping resistor autoformer treatment, (with corresponding capacitor) and the other no swamping resistor, (with corresponding capacitor). Running controlled full test sweeps on Klipschorns with all drivers running on the full network with amplifier setting locked, there was a significant difference, maybe 3db in output from the speaker between the two crossovers across the entire midrange. Very, very little impact response variance was measured. In any event, the swamping resistor crossover produced about 3db less output across the range. At the time, I laughed to myself because Bob Crites, a consummate gentlemen in every respect, described the difference as sounding like “someone put a sock in it.” Of course the issues raised by this thread are much broader than the question of resistors used for impedance swamping. In any event, given the migration over the decades of apparently all speaker manufacturers, including Klipsch, to the full resistor-based attenuation approach, I too have wanted to get more insight and understanding of the potential advantages and disadvantages. One thing is clear to me and to Roy’s credit, Klipsch heritage speakers with the latest passive, steep slope, resistor-based networks have never sounded better I’m my opinion. Great thread!
  7. I have one Crites type A crossover for sale. I purchased this new about 7-8 years ago while testing various crossovers and drivers. Probably has 5-6 hours of use from measurement and listening testing. So, this is several years old, but basically new. Kept in storage, but I’m cleaning out some extra parts. This is the same crossover with Sonicaps they now sell as the “Gold” edition. Pretty straightforward item, but feel free to shoot questions. $175 shipped with PayPal. SOLD Thanks.
  8. One original k-700 metal horn available. Great condition. $50 plus $15 shipping.
  9. @mboxler - excellent work and observations. While the midrange and tweeter issues between network and driver variations are more well known, the woofer to midrange transition in a KLIPSCHORN is less understood. Your woofer polarity swap with a gentle 6db slope network is a great example. It would be great to get Chief Bonehead’s insight on that issue.
  10. Amen. And so it goes, the collapse of every great civilization is first preceded by the collapse of its great institutions.
  11. After close inspection of the installed driver pictured, it does appear to have been labeled as a K 55. I’ve also noticed that this rare driver’s diameter is bigger and the throat casting of the rare K 55 is clearly different from the MA-25 and much closer to the SAHF, but likely intended to replace both. This driver is a University build, albeit likely a test or transitional model using the basic design elements of the SAHF, and built specifically for Klipsch prior to the atlas k55 that followed it. Unfortunately, I cannot find any additional information.
  12. Great pic of the rare driver in a speaker and very helpful Looks like a ‘59-‘60 heresy. Can’t read any designation on it, but it is clearly an example of what I’m selling and clearly a different midrange driver than the earlier SAHF or MA-25. All from University I believe. Horn looks like the first Heresey , and Cornwall, and looking back, I believe I was given reference to the first Cornwalls before they came up with the k-600 and atlas k-55.
  13. And here is another of the traditional University midrange driver’s that most of us are familiar with: This is the SAHF 30 watt midrange driver used for several years on the 1950’s Klipschorns. This example is one of mine, from one of my 1950’s Klipschorns. Note the typical University screw wire pins, the L1 and L2 pin designations and the same Allen head pins used for diaphragm access. On other Klipsch models, variations, like the MA-25, with the same shape and style we’re used. Of course the University driver I’m selling isn’t either of these University models. I would have to believe that the Klipsch museum must have one or two of these mounted in their original speakers. Anyone?
  14. Let me provide more help on this. That is probably true for the atlas k-55, but this is a University transition k-55 used in the last 1950’s, following the University SAHF driver, but before the now familiar Atlas k-55 v drivers from the early 60’s on. I am unsure though on how many or which Klipsch models featured them and for how long.
  15. I have a very rare, working k-55 midrange driver for sale. These were used on some models in the last 50’s, and very early 60’s I believe. I’ve never paid much attention to this, so someone on this forum may have a lot if additional perspective and information. Faint identification on this one as a k-55, other rare examples of this are also labeled as Klipsch k-55. Update: Apparently this driver was an OEM University build as a transitional model using the basic design elements of the SAHF, and built specifically for Klipsch prior to the now familiar atlas k55 that quickly followed it. An interesting piece of Klipsch history. DCR: 12.5 Thank you.
  16. Cleaning out some of the collection I have a nice k-55 M midrange driver with leads for sale. DCR: 10.2 $80 plus shipping. Thank you. SOLD
  17. I have a nice pair of k-77m tweeters for sale. This is a nice pair with original leads. DCR measurement: 1) 6.4 2) 5.3 Price is $150 plus shipping. Thank you.
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